.Square {
    height: 50px;
    width: 50px;
    background-color: #34495e;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    -ms-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    color: white;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    touch-action: none;
    text-align: center;
}

.Square.hide {
    display: none;
}

.Square.montage-dragged-image {
    background-color: #9b59b6;
}
